KR101634169B1 - Method for attaching protective film on liquid crystal screen - Google Patents

Method for attaching protective film on liquid crystal screen Download PDF

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Publication number
KR101634169B1
KR101634169B1 KR1020150122043A KR20150122043A KR101634169B1 KR 101634169 B1 KR101634169 B1 KR 101634169B1 KR 1020150122043 A KR1020150122043 A KR 1020150122043A KR 20150122043 A KR20150122043 A KR 20150122043A KR 101634169 B1 KR101634169 B1 KR 101634169B1
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KR
South Korea
Prior art keywords
liquid crystal
shape
guide
reference shape
release cover
Prior art date
Application number
KR1020150122043A
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Korean (ko)
Inventor
김종헌
김세영
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주식회사 테슬라앤코
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Publication of KR101634169B1 publication Critical patent/KR101634169B1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

A method of attaching a liquid crystal protective film according to the present invention comprises:
A first step of preparing a liquid crystal protective film having an upper release cover on which a reference shape is printed and a lower release cover on the lower side; A second step of displaying a guide shape on a liquid crystal screen of a smart device; A third step of placing the liquid crystal protection film with the upper and lower release covers on the liquid crystal screen to which the liquid crystal protection film is accurately attached; A fourth step of dragging the guide shape to match the reference shape; A fifth step of capturing the guide shape in a state in which the guide shape matches the reference shape; A sixth step of removing the lower release cover and attaching the liquid crystal protection film so that the reference shape and the captured guide shape are aligned with each other; And a seventh step of removing the upper release cover.

Description

METHOD FOR ATTACHING PROTECTIVE FILM ON LIQUID CRYSTAL SCREEN

The present invention relates to a method for attaching a liquid crystal protective film.

The liquid crystal protection film is attached to the liquid crystal screen of the smart device (smart phone, tablet PC) to protect the liquid crystal screen.

The liquid crystal protective film is composed of a film adhered to the liquid crystal screen and a pressure sensitive adhesive applied on the lower surface of the film. An upper release cover is attached to the upper surface of the film, and a lower release cover is attached to the lower surface of the film.

In order to expose the front camera lens, speaker, and home button of the smart device when the liquid crystal protective film is attached to the liquid crystal screen, the liquid crystal protective film is provided with a hole corresponding to the front camera lens, the speaker and the home button.

To attach the LCD protective film to the LCD screen, remove the bottom cover first.

When attaching the liquid crystal protective film to the liquid crystal screen, even if the position of the liquid crystal protective film is slightly changed, the front camera lens, the speaker, and the groove button are not exposed to the outside of the hole of the liquid crystal protective film. In this case, the film must be removed and attached again on the liquid crystal display. When the process of peeling off and attaching the film is repeated, the liquid crystal screen becomes dirty due to the adhesive on the liquid crystal screen, and the foreign substance sticks to the liquid crystal screen.

In order to solve such a problem, Korean Patent No. 10-1462266 discloses a liquid crystal display device capable of precisely aligning a liquid crystal protective film on a liquid crystal screen by simply aligning the reference line printed on the upper cover of the liquid crystal protective film with the guide line displayed on the smart device A method of attaching a liquid crystal protective film which can be attached to a liquid crystal display device]. For reference, the present applicant is the exclusive licensee of Korean Patent No. 10-1462266.

However, according to the invention of Korean Patent No. 10-1462266, since the liquid crystal protective film must be in the correct attaching position only when the reference line and the guide line are matched with each other, the reference line must be accurately printed on the upper release cover. Thus, it is very difficult to accurately print the baseline without errors.

In addition, Korean Patent No. 10-1462266 discloses that a reference line and a guide line are separately prepared for each type of smart device. In addition, different guide line information for each type of smart device is stored in the smart device. This is very troublesome.

Korean Patent No. 10-1462266

An object of the present invention is to solve the difficulty in using the invention of Korean Patent No. 10-1462266 as a dedicated licensee,

There is no need to accurately print the reference line on the upper release cover without any errors and it is not necessary to separately create a reference line and a guide line for each model of the smart device and guide line information different for each model of the smart device need not be stored in the smart device,

And a method for accurately attaching a liquid crystal protective film to a liquid crystal screen.

A method for attaching a liquid crystal protective film for achieving the above object,

A first step of preparing a liquid crystal protective film having an upper release cover on which a reference shape is printed and a lower release cover on the lower side;

A second step of displaying a guide shape on a liquid crystal screen of a smart device;

A third step of placing the liquid crystal protection film with the upper and lower release covers on the liquid crystal screen to which the liquid crystal protection film is accurately attached;

A fourth step of dragging the guide shape to match the reference shape;

A fifth step of capturing the guide shape in a state in which the guide shape matches the reference shape;

A sixth step of removing the lower release cover and attaching the liquid crystal protection film so that the reference shape and the captured guide shape are aligned with each other; And

And removing the upper release cover.

Further, the above-

A first step of preparing a liquid crystal protective film having an upper release cover to which a sticker on which a reference shape is printed is attached to the upper surface and a lower release cover is attached to the lower surface;

A second step of displaying a guide shape on a liquid crystal screen of a smart device;

A third step of placing the liquid crystal protection film with the upper and lower release covers on the liquid crystal screen to which the liquid crystal protection film is accurately attached;

A fourth step of dragging the guide shape to match the reference shape;

A fifth step of capturing the guide shape in a state in which the guide shape matches the reference shape;

A sixth step of removing the lower release cover and attaching the liquid crystal protection film so that the reference shape and the captured guide shape are aligned with each other; And

And a seventh step of removing the upper release cover from the liquid crystal display panel.

Further, the above-

A first step of preparing a liquid crystal protective film having an upper release cover to which a reference shape containing metal particles is printed is attached to an upper surface and a lower release cover is attached to a lower surface;

A second step of displaying a guide shape on a liquid crystal screen of a smart device;

A third step of placing the liquid crystal protection film with the upper and lower release covers on the liquid crystal screen to which the liquid crystal protection film is accurately attached;

A fourth step of calculating a position touched by the metal particles to find a position of the reference shape, moving the guide shape to the reference shape, and matching the guide shape and the reference shape;

A fifth step of capturing the guide shape in a state in which the guide shape matches the reference shape;

A sixth step of removing the lower release cover and attaching the liquid crystal protection film so that the reference shape and the captured guide shape are aligned with each other; And

And a seventh step of removing the upper release cover from the liquid crystal display panel.

Further, the above-

A first step of preparing a liquid crystal protective film having an upper release cover attached with a sticker on which a reference shape containing a metal particle is printed and a lower release cover attached to the lower surface;

A second step of displaying a guide shape on a liquid crystal screen of a smart device;

A third step of placing the liquid crystal protection film with the upper and lower release covers on the liquid crystal screen to which the liquid crystal protection film is accurately attached;

A fourth step of calculating a position touched by the metal particles to find a position of the reference shape, moving the guide shape to the reference shape, and matching the guide shape and the reference shape;

A fifth step of capturing the guide shape in a state in which the guide shape matches the reference shape;

A sixth step of removing the lower release cover and attaching the liquid crystal protection film so that the reference shape and the captured guide shape are aligned with each other; And

And a seventh step of removing the upper release cover from the liquid crystal display panel.

According to the present invention, unlike the Korean Patent No. 10-1462266, it is not necessary that the reference line is correctly printed on the upper cover. In addition, there is no need to separately create a reference line and a guide line for each type of smart device. Also, it is not necessary for the smart device to store different guide line information for each model of the smart device.

In the present invention, the user repeatedly moves the liquid crystal protective film on the liquid crystal display screen to find the position where the liquid crystal protective film is to be accurately attached to the liquid crystal display screen. Since the position is detected in a state where the lower release cover is attached to the lower surface of the liquid crystal protective film, the pressure sensitive adhesive is not attached to the liquid crystal screen while locating the position where the liquid crystal protective film is to be attached. Therefore, the liquid crystal screen is dirty, and foreign substances are prevented from sticking to the liquid crystal screen.

The present invention is characterized in that, after a user finds a precise position at which a liquid crystal protective film is to be attached, a user may drag the guide shape displayed on the liquid crystal screen, or the smart device may automatically move the guide shape to print the guide shape on the liquid crystal protective film Lt; / RTI > The guide shape is captured in a state of coincidence with the reference shape. Then, when the liquid crystal protective film is attached to the liquid crystal screen while removing the lower release cover and matching the reference shape with the captured guide shape, the liquid crystal protective film is attached to the correct position.

In the present invention, when the reference shape is printed on a sticker other than the upper release cover, the sticker may be attached to the upper release cover attached to the liquid crystal protection film which has been sold in the past, so that the present invention can be used immediately.

1 is a flowchart showing a method of attaching a liquid crystal protective film according to a first embodiment of the present invention.
FIG. 2 is a view showing a liquid crystal protective film on which a smart device on which a guide shape is displayed on a liquid crystal screen, and an upper side release cover on which a reference shape is printed is attached on the upper side.
Fig. 3 is a view showing the liquid crystal protective film, the upper side release cover, and the lower side release cover separated.
4 is a view showing a state in which a liquid crystal protection film with an upper release cover and a lower release cover is positioned on the liquid crystal screen to which the liquid crystal protection film is correctly attached.
5 is a view showing a state in which the guide shape is dragged and aligned with the reference shape.
6 is a view showing a state in which the guide shape is captured by pressing the groove button in a state in which the guide shape and the reference shape are aligned with each other.
7 is a view showing a state in which the liquid crystal protective film is attached to the liquid crystal screen while the guide shape and the reference shape are aligned after the lower side release cover is removed.
8 is a view showing a state in which the upper side release cover is detached in a state in which the liquid crystal protective film is attached.
9 is a view showing a liquid crystal protective film, an upper release cover, a lower release cover, and a sticker separated from each other.
10 is a flowchart showing a method of attaching a liquid crystal protective film according to a second embodiment of the present invention.
11 (a) is a view showing a state in which a reference shape containing metal particles is printed on the upper side release cover, and Fig. 11 (b) Fig. 8 is a view showing a state in which a reference shape contained therein is printed on a sticker.
FIG. 12 is a view for explaining a process in which the reference shape and the guide shape shown in FIG. 11 are matched. FIG. 12 (a) is a view showing a state in which the guide shape moves in the reference shape direction, Is a diagram showing a state in which the guide shape and the reference shape are aligned with each other.

Hereinafter, a method of attaching the liquid crystal protective film according to the first embodiment of the present invention will be described in detail.

1, a method of attaching a liquid crystal protective film according to a first embodiment of the present invention includes:

A first step (S11) of preparing a liquid crystal protective film with an upper release cover on which a reference shape is printed and a lower release cover on the lower side;

A second step (S12) of displaying a guide shape on the liquid crystal screen of the smart device;

A third step (S13) of placing the liquid crystal protection film with the upper and lower release covers on the liquid crystal screen to which the liquid crystal protection film is accurately attached;

A fourth step (S14) of dragging the guide shape to match the reference shape;

A fifth step (S15) of capturing the guide shape in a state where the guide shape matches the reference shape;

A sixth step (S16) of removing the lower release cover and attaching the liquid crystal protective film so that the reference shape and the captured guide shape are aligned;

And a seventh step (S17) of removing the upper release cover.

The first step S11 will be described.

Referring to Figures 2 and 3,

A liquid crystal protective film 20 suitable for a model of the smart device 10 is prepared. The liquid crystal protective film 20 is composed of a film 21 adhered to the liquid crystal screen 11 and an adhesive 22 applied to the lower surface of the film 21. The film 21 is made of PET film or tempered glass.

The liquid crystal protection film 20 is provided with holes 23, 24 and 25 through which the camera lens 12, the speaker 13 and the groove button 14 can be exposed.

The upper side cover 30 is attached to the upper surface of the liquid crystal protective film 20.

A reference shape SS is printed on the upper side cover 30.

In the present embodiment, the reference shape SS is the letter "LOGO ". Of course, there may be a variety of shapes other than letters, shapes, lines, and the like as the reference shape SS. In this embodiment, the reference shape SS is printed at the center of the upper cover 30.

A lower release cover 40 is attached to the lower surface of the liquid crystal protection film 20.

The second step S12 will be described.

An application for displaying the guide shape GS is installed on the liquid crystal screen 11 of the smart device 10. Launch the app. As shown in Fig. 2, a guide shape GS is displayed on the smart device 10. [

The third step S13 will be described.

The liquid crystal protection film 20 with the lower release cover 40 is placed on the liquid crystal screen 11 of the smart device 10 as shown in FIG.

The user repeatedly moves the liquid crystal protective film 20 on the liquid crystal screen 11 to find a position where the liquid crystal protective film 20 is to be accurately attached to the liquid crystal screen 11. [ At this time, since the lower release cover 40 is attached to the lower surface of the liquid crystal protection film 20, the liquid crystal screen 11 is free of the adhesive 22.

The position where the liquid crystal protective film 20 is accurately attached to the liquid crystal screen 11 is determined by the positions of the camera lens 12, the speaker 13, and the groove button 14, which are exposed in the liquid crystal protective film 20, By aligning the camera lens 12, the speaker 13, and the home button 14 on the display units 23, 24, and 25.

The liquid crystal protection film 20 is placed on the liquid crystal screen 11 after finding the position where the liquid crystal protection film 20 is to be accurately attached.

The fourth step S14 will be described.

When the liquid crystal protective film 20 is placed on the liquid crystal screen 11, the reference shape SS and the guide shape GS are mismatched as shown in FIG. This is because a guide shape GS is collectively provided at the center of the liquid crystal screen 11 regardless of the model of the smart device 10 and the reference shape SS is collectively formed at the center of the upper side release cover 30 This is because it was printed in red.

As shown in Fig. 5, the user drags the guide shape GS to align the guide shape GS with the reference shape GS.

The fifth step S15 will be described.

In a state in which the guide shape GS coincides with the reference shape SS, the guide shape GS is captured by pressing the groove button 14 as shown in Fig.

The sixth step S16 will be described.

As shown in Fig. 7, the lower release cover 40 is detached. And the dotted arrows indicate the direction in which the lower release cover 40 is removed.

The liquid crystal protective film 20 is attached to the liquid crystal screen 11 so that the reference shape SS coincides with the captured guide shape GS as shown in Fig.

The seventh step S17 will be described.

As shown in Fig. 8, the upper cover 30 on which the reference shape GS is printed is removed. And the dotted arrows indicate the direction in which the upper cover 30 is removed.

The liquid crystal protective film 20 is accurately attached to the liquid crystal screen 11 through the first step S11 to the seventh step S17 as described above.

9, the reference shape SS may be printed on a separate sticker 50 other than the upper side release cover 40. In this case, The sticker 50 is attached to the upper surface of the upper release cover 40.

The reference shape SS is printed on the sticker 50 so that the sticker 50 on which the reference shape SS is printed can be attached to the upper side release cover 40 And the like.

Hereinafter, a method for attaching a liquid crystal protective film according to a second embodiment of the present invention will be described in detail.

10, in the method of attaching the liquid crystal protective film according to the second embodiment of the present invention,

A first step (S21) of preparing a liquid crystal protective film having an upper release cover on which a reference shape containing a metal particle is printed and a lower release cover on the lower side;

A second step (S22) of displaying a guide shape on a liquid crystal screen of the smart device;

A third step (S23) of placing the liquid crystal protection film with the upper release cover and the lower release cover on the liquid crystal screen to which the liquid crystal protection film is accurately attached;

A fourth step (S24) of calculating the position touched by the metal particles to find the position of the reference shape, moving the guide shape to the reference shape, and matching the guide shape and the reference shape;

A fifth step (S25) of capturing the guide shape with the guide shape conforming to the reference shape;

A sixth step (S26) of removing the lower release cover and attaching the liquid crystal protection film so that the reference shape and the captured guide shape coincide with each other;

And a seventh step (S27) of removing the upper release cover.

The first step S21 will be described.

As shown in Fig. 11, the reference shape SS containing the metal particles is printed on the upper cover 30. In order to express that the reference shape SS contained metal particles, "LOGO"

The reason why the reference shape SS contains metal particles is that the reference shape SS touches the liquid crystal screen 11 when the liquid crystal protective film 20 is attached to the liquid crystal screen 11.

On the other hand, as shown in Fig. 12, the reference shape SS containing the metal particles may be printed on the sticker 50. Fig. Since the reference shape SS is printed on the sticker 50 as described above, its description has been omitted.

The second step S22 and the third step S23 are the same as the second step S12 and the third step S13 of attaching the liquid crystal protective film according to the first embodiment of the present invention, do.

The fourth step S24 will be described.

The metal particles touch the liquid crystal screen 11. The smart device 10 calculates the position touched by the metal particles to find the position of the reference shape SS.

The smart device 10 moves the guide shape GS to the reference shape SS so as to match the guide shape GS and the reference shape SS as shown in Figs. 12 (a) and 12 (b) . Therefore, it is not necessary for the user to drag the guide shape GS to match the reference shape SS. The dotted arrow in Fig. 12 (a) indicates the direction in which the guide shape GS moves to the reference shape SS.

The fifth step S25 to the seventh step S27 are the same as the fifth step S15 to the seventh step S17 of attaching the liquid crystal protective film according to the first embodiment of the present invention, do.

The liquid crystal protective film 20 is accurately attached to the liquid crystal screen 11 through the first step S21 to the seventh step S27 as described above.

10: Smart device 11: LCD screen
20: liquid crystal protective film 30: upper release film
40: lower release film 50: sticker
SS: Reference shape GS: Guide shape

Claims (5)

A first step of preparing a liquid crystal protective film having an upper release cover on which a reference shape is printed and a lower release cover on the lower side;
A second step of displaying a guide shape on a liquid crystal screen of a smart device;
A third step of placing the liquid crystal protection film with the upper and lower release covers on the liquid crystal screen to which the liquid crystal protection film is accurately attached;
A fourth step of dragging the guide shape to match the reference shape;
A fifth step of capturing the guide shape in a state in which the guide shape matches the reference shape;
A sixth step of removing the lower release cover and attaching the liquid crystal protection film so that the reference shape and the captured guide shape are aligned with each other; And
And removing the upper release cover from the upper cover. A first step of preparing a liquid crystal protective film having an upper release cover to which a sticker on which a reference shape is printed is attached to the upper surface and a lower release cover is attached to the lower surface;
A second step of displaying a guide shape on a liquid crystal screen of a smart device;
A third step of placing the liquid crystal protection film with the upper and lower release covers on the liquid crystal screen to which the liquid crystal protection film is accurately attached;
A fourth step of dragging the guide shape to match the reference shape;
A fifth step of capturing the guide shape in a state in which the guide shape matches the reference shape;
A sixth step of removing the lower release cover and attaching the liquid crystal protection film so that the reference shape and the captured guide shape are aligned with each other; And
And removing the upper release cover from the upper cover. A first step of preparing a liquid crystal protective film having an upper release cover to which a reference shape containing metal particles is printed is attached to an upper surface and a lower release cover is attached to a lower surface;
A second step of displaying a guide shape on a liquid crystal screen of a smart device;
A third step of placing the liquid crystal protection film with the upper and lower release covers on the liquid crystal screen to which the liquid crystal protection film is accurately attached;
A fourth step of calculating a position touched by the metal particles to find a position of the reference shape, moving the guide shape to the reference shape, and matching the guide shape and the reference shape;
A fifth step of capturing the guide shape in a state in which the guide shape matches the reference shape;
A sixth step of removing the lower release cover and attaching the liquid crystal protection film so that the reference shape and the captured guide shape are aligned with each other; And
And removing the upper release cover from the upper cover. A first step of preparing a liquid crystal protective film having an upper release cover attached with a sticker on which a reference shape containing a metal particle is printed and a lower release cover attached to the lower surface;
A second step of displaying a guide shape on a liquid crystal screen of a smart device;
A third step of placing the liquid crystal protection film with the upper and lower release covers on the liquid crystal screen to which the liquid crystal protection film is accurately attached;
A fourth step of calculating a position touched by the metal particles to find a position of the reference shape, moving the guide shape to the reference shape, and matching the guide shape and the reference shape;
A fifth step of capturing the guide shape in a state in which the guide shape matches the reference shape;
A sixth step of removing the lower release cover and attaching the liquid crystal protection film so that the reference shape and the captured guide shape are aligned with each other; And
And removing the upper release cover from the upper cover. The method according to any one of claims 1 to 4, wherein the reference shape or the guide shape is one of a letter, a figure, and a line.
KR1020150122043A 2015-08-28 2015-08-28 Method for attaching protective film on liquid crystal screen KR101634169B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101969478B1 (en) 2018-10-18 2019-04-16 주식회사 위너솔루션 The maunfacturing and attachment method of the protective film for protecting 3D display screen of mobile phone
KR102224540B1 (en) 2020-03-11 2021-03-09 여인현 Protective film package for portable terminal and attaching method of protective film using thereof
CN112968983A (en) * 2019-12-13 2021-06-15 Oppo广东移动通信有限公司 Electronic equipment and preparation method of electronic equipment protective film
KR102347991B1 (en) 2021-05-17 2022-01-07 주식회사 샘빌 method for adaptively controlling marketing and product exposure on online platform, and device to which the method is applied

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KR20120081701A (en) * 2011-01-12 2012-07-20 이응석 Screen protective film and attaching method thereof
JP2013161308A (en) * 2012-02-06 2013-08-19 Ekushiiru Corporation:Kk Positioning mechanism of protective sheet for display screen of electronic device
KR101462266B1 (en) 2012-02-07 2014-11-20 안재원 Screen protective film attaching method using by application
JP2015019239A (en) * 2013-07-11 2015-01-29 日本電気通信システム株式会社 Display screen protection sheet set, manufacturing method of the same, and attachment method of display screen protection sheet
JP5733446B1 (en) * 2014-03-26 2015-06-10 株式会社バッファロー Method for applying protective film, positioning system for protective film, protective film composite, and method for manufacturing the same

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Publication number Priority date Publication date Assignee Title
KR20120081701A (en) * 2011-01-12 2012-07-20 이응석 Screen protective film and attaching method thereof
JP2013161308A (en) * 2012-02-06 2013-08-19 Ekushiiru Corporation:Kk Positioning mechanism of protective sheet for display screen of electronic device
KR101462266B1 (en) 2012-02-07 2014-11-20 안재원 Screen protective film attaching method using by application
JP2015019239A (en) * 2013-07-11 2015-01-29 日本電気通信システム株式会社 Display screen protection sheet set, manufacturing method of the same, and attachment method of display screen protection sheet
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101969478B1 (en) 2018-10-18 2019-04-16 주식회사 위너솔루션 The maunfacturing and attachment method of the protective film for protecting 3D display screen of mobile phone
CN112968983A (en) * 2019-12-13 2021-06-15 Oppo广东移动通信有限公司 Electronic equipment and preparation method of electronic equipment protective film
KR102224540B1 (en) 2020-03-11 2021-03-09 여인현 Protective film package for portable terminal and attaching method of protective film using thereof
KR102347991B1 (en) 2021-05-17 2022-01-07 주식회사 샘빌 method for adaptively controlling marketing and product exposure on online platform, and device to which the method is applied
KR20220157283A (en) 2021-05-17 2022-11-29 주식회사 샘빌 online platform for marketing
KR20220157284A (en) 2021-05-17 2022-11-29 주식회사 샘빌 system that controls the degree of marketing and product exposure

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